Examine source code of Pulse Search

{
  "manifest_version": 3,
  "name": "Pulse Search",
  "version": "0.1.2",
  "description": "Speed up your search with modern bang shortcuts and real-time suggestions.",
  "permissions": [
    "storage",
    "webNavigation",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "type": "module",
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_icon": "icon.svg",
    "default_title": "Open Pulse Search"
  },
  "options_ui": {
    "page": "index.html",
    "open_in_tab": true
  },
  "omnibox": {
    "keyword": "b"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icon.svg",
    "32": "icon.svg",
    "48": "icon.svg",
    "96": "icon.svg",
    "128": "icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "pulse-search-mnco@mnco.org",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}